portal commandline script

console output

1.9.3-p0 in portal/  
› ./bin/portal 
Manages SSH portals as easy hosts

usage: portal command [command options]

Version: 0.0.1

Commands:
    add     - Adds a portal to the list
    connect - Connect to an SSH portal by name
    help    - Shows list of commands or help for one command
    list    - List all portals
    rm      - Remove a portal for a given name

gistfile1.rb

#!/usr/bin/env ruby
# 1.9 adds realpath to resolve symlinks; 1.8 doesn't
# have this method, so we add it so we get resolved symlinks
# and compatibility
unless File.respond_to? :realpath
  class File #:nodoc:
    def self.realpath path
      return realpath(File.readlink(path)) if symlink?(path)
      path
    end
  end
end
$: << File.expand_path(File.dirname(File.realpath(__FILE__)) + '/../lib')
require 'rubygems'
require 'gli'
require 'portal_version'

include GLI

program_desc 'Manages SSH portals as easy hosts'

version Portal::VERSION

desc 'Adds a portal to the list'
command :add do |c|
  c.desc 'user to connect as. default: current user'
  c.default_value `whoami`
  c.flag [:u, :user]

  c.desc 'port to connect to. default: 22'
  c.default_value '22'
  c.flag [:p, :port]

  c.action do |global_options,options,args|
    if args.length < 1
      raise 'You must specify the name of the portal to add'
    else
      Portal.add(args.first, options)
    end
  end
end

desc 'Remove a portal for a given name'
command :rm do |c|
  c.action do |global_options,options,args|
    if args.length < 1
      raise 'You must specify the name of the portal to remove.'
    else
      Portal.remove(args.first)
    end
  end
end

desc 'List all portals'
command :list do |c|
  c.action do |global_options,options,args|
    Portal.list
  end
end

desc 'Connect to an SSH portal by name'
arg_name 'NAME'
command :connect do |c|
  c.desc 'connect NAME'
  c.action do |global_options,options,args|
    if args.length < 1
      raise 'You must specify the name of the portal to connect to.'
    else
      Portal.connect(args.first)
    end
  end
end

on_error do |exception|
  # Error logic here
  # return false to skip default error handling
  true
end

exit GLI.run(ARGV)